We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Three small brass locking caps for 1/4 inch HVAC ports

BFKK

BFKK Refrigerant Locking Caps 3-Pack 1/4 Inch R22 HVAC Control

SKU CH-59W5-52QJN

Three locking caps secure 1/4-inch R22 service ports against tampering, debris and refrigerant loss

  • Secure R22 refrigerant charge with tamper-resistant locking design
  • Protect valve cores from dirt and debris with resilient outdoor materials
  • Ensure dependable sealing on standard 1/4-inch service ports
  • Keep workflow smooth with convenient 3-pack for HVAC professionals
  • Maintain system integrity using caps built specifically for R22 security

HVAC Refrigerant Locking Caps 3-Pack

This three-pack of 1/4-inch locking caps is made for HVAC technicians servicing R22 air-conditioning systems. The caps provide a dependable seal on standard service ports used by most major air conditioner brands. They are a basic hand tool for securing refrigerant charge after installation, repair or maintenance.

Build fit and workflow

The caps thread onto standard 1/4-inch service ports, replacing ordinary caps with a tamper-resistant design. They protect valve cores from dirt and debris while discouraging unauthorised access. The compact 3-pack keeps a ready supply on the truck so technicians can secure every system without running short during a job.

Durability and sealing

Resilient materials give a consistent, snug fit on outdoor units exposed to weather. The secure locking design helps reduce the chance of leaks and supports system efficiency by maintaining the R22 refrigerant charge. Each cap is built to withstand typical service conditions encountered during routine HVAC work.

Highlights

  • Secure R22 refrigerant charge with tamper-resistant locking design
  • Protect valve cores from dirt and debris with resilient outdoor materials
  • Ensure dependable sealing on standard 1/4-inch service ports
  • Keep workflow smooth with convenient 3-pack for HVAC professionals
  • Maintain system integrity using caps built specifically for R22 security

Specifications

No published specifications for this item yet.

Questions about this item

What is the first limit reached under sustained use of the 1/4-inch locking caps on R22 service ports?

The caps are built to handle outdoor conditions and provide a consistent, snug fit that protects valve cores from dirt and debris while reducing the chance of leaks during extended service.

How much noise, heat or power do the caps generate when installed on a system running all day?

The caps are passive sealing components with no moving parts, so they produce no noise, generate no heat and draw no power while securing the refrigerant charge.

What tool must the buyer already own to install these caps on a 1/4-inch service port?

A standard HVAC service wrench or hex key that fits the 1/4-inch port is required to tighten the locking mechanism securely.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.